Finding the Fourth Proportional to 2,880, 3,973.38 and 1,885.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,880 : 3,973.38 = 1,885.83 : x
2. Step 2: Convert to fraction form
   2,880/3,973.38 = 1,885.83/x
3. Step 3: Cross multiply
   2,880x = 3,973.38 × 1,885.83
4. Step 4: Simplify right side
   2,880x = 7,493,099.34
5. Step 5: Solve for x
   x = 7,493,099.34/2,880
6. Step 6: Final answer
   x = 2,601.77